[PATCH] doc: dt: Add interrupt parent to Xilinx AXI DMA instantation example.

[Moritz Fischer <moritz.fischer@ettus.com>]

This patch adds 'interrupt-parent' properties to the instantation example in
the docs for the devicetree bindings of the Xilinx AXI DMA driver.

Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com>
---
 Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
index 2291c40..7c956e9 100644
--- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
+++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_dma.txt
@@ -19,6 +19,7 @@ Required child node properties:
 - compatible: It should be either "xlnx,axi-dma-mm2s-channel" or
 	"xlnx,axi-dma-s2mm-channel".
 - interrupts: Should contain per channel DMA interrupts.
+- interrupt-parent: Should contain interrupt parent.
 - xlnx,datawidth: Should contain the stream data width, take values
 	{32,64...1024}.
 
@@ -36,11 +37,13 @@ axi_dma_0: axidma@40400000 {
 	dma-channel@40400000 {
 		compatible = "xlnx,axi-dma-mm2s-channel";
 		interrupts = < 0 59 4 >;
+		interrupt-parent = <&intc>;
 		xlnx,datawidth = <0x40>;
 	} ;
 	dma-channel@40400030 {
 		compatible = "xlnx,axi-dma-s2mm-channel";
 		interrupts = < 0 58 4 >;
+		interrupt-parent = <&intc>;
 		xlnx,datawidth = <0x40>;
 	} ;
 } ;
-- 
2.4.3